20211112220120 has 16 divisors (see below), whose sum is σ = 45475002495360. Its totient is φ = 8084444888032.

The previous prime is 20211112220063. The next prime is 20211112220237. The reversal of 20211112220120 is 2102221111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252638902712 + ... + 252638902791.

It is an arithmetic number, because the mean of its divisors is an integer number (2842187655960).

Almost surely, 2^{20211112220120} is an apocalyptic number.

20211112220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211112220120 is an abundant number, since it is smaller than the sum of its proper divisors (25263890275240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211112220120 is a wasteful number, since it uses less digits than its factorization.

20211112220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505277805514 (or 505277805510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20211112220120 its reverse (2102221111202), we get a palindrome (22313333331322).

The spelling of 20211112220120 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty".